Archaeologists believe jewelry made from the bugs was a coveted status symbol 2,000 years ago.

Maybe it's best to just steer clear of white lighters, medieval books, and Robert the Doll.

When Ruggles Mine went up for auction, mineral collectors feared it would never reopen to the public. After a last-minute reprieve, its future is still uncertain.

An avid microscopist captured an unusual image that has nothing to do with surf and sand.

In Piedra Parada, amethysts are everywhere.

It was hidden under a fisherman's bed for a decade.

How tradition, jewel lobbies, and fed-up librarians joined forces to tell us what to buy our spouses.

The battle to define what constitutes the world's most famous gemstone.